223101012 has 48 divisors (see below), whose sum is σ = 549803520. Its totient is φ = 70269408.

The previous prime is 223100993. The next prime is 223101023. The reversal of 223101012 is 210101322.

It is a super-3 number, since 3×223101012³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18039 + ... + 27777.

It is an arithmetic number, because the mean of its divisors is an integer number (11454240).

Almost surely, 2^223101012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223101012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274901760).

223101012 is an abundant number, since it is smaller than the sum of its proper divisors (326702508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223101012 is a wasteful number, since it uses less digits than its factorization.

223101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852 (or 9850 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 223101012 is about 14936.5662720720. The cubic root of 223101012 is about 606.5042476018.

Adding to 223101012 its reverse (210101322), we get a palindrome (433202334).

The spelling of 223101012 in words is "two hundred twenty-three million, one hundred one thousand, twelve".